Phyrexian Obliterator 



Creature — Phyrexian Horror
Trample
Whenever a source deals damage to this creature, that source's controller sacrifices that many permanents of their choice.
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Cards that do something similar expected a card that isn't here?
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Phyrexian Negator 83%
#10209
"Whenever this creature is dealt damage, sacrifice that many permanents."
+1 more matching line
Phylactery Lich 82%
$0.33#17030
"When you control no permanents with phylactery counters on them, sacrifice this creature."